Home / 88,204.48-121,732.12-49,966.64

Finding the Fourth Proportional to 88,204.48, 121,732.12 and 49,966.64

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Solution

The fourth proportional to 88,204.48, 121,732.12 and 49,966.64 is: 68,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,204.48 : 121,732.12 = 49,966.64 : x
  2. Step 2: Convert to fraction form
    88,204.48/121,732.12 = 49,966.64/x
  3. Step 3: Cross multiply
    88,204.48x = 121,732.12 × 49,966.64
  4. Step 4: Simplify right side
    88,204.48x = 6,082,545,016.48
  5. Step 5: Solve for x
    x = 6,082,545,016.48/88,204.48
  6. Step 6: Final answer
    x = 68,959.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.